Claire mowed 7 lawns last week. She mowed each lawn in 7/18 hour. She mowed the same lawns this week in 5/18
hour each using her new lawn mower. How many times longer was Claire's time to mow all the lawns last week than this week? Explain.

How do you find principle and simple interest

Which statement justifies why angle ebc measures 90?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15